Psychologists call it 'unconditional positive regard, ' which means your dog loves you no matter what sort of a day you're having, how rotten you've been to the people at work, [or] how stressed you've been." --MSN.com Photographer and author Rachael Hale profiles 101 of the most lovable dog breeds, from Australian terrier to Yorkshire terrier. Rachael Hale's luminous photography captures the essence of 101 of the most revered dog breeds...